//===-- SparcV8TargetMachine.cpp - Define TargetMachine for SparcV8 -------===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
-//
+//
//
//===----------------------------------------------------------------------===//
#include "SparcV8TargetMachine.h"
#include "SparcV8.h"
+#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/Passes.h"
-#include "llvm/Target/TargetMachineImpls.h"
+#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetMachineRegistry.h"
#include "llvm/Transforms/Scalar.h"
+#include "llvm/Support/CommandLine.h"
#include <iostream>
using namespace llvm;
namespace {
// Register the target.
RegisterTarget<SparcV8TargetMachine> X("sparcv8"," SPARC V8 (experimental)");
-}
-// allocateSparcV8TargetMachine - Allocate and return a subclass of
-// TargetMachine that implements the SparcV8 backend.
-//
-TargetMachine *llvm::allocateSparcV8TargetMachine(const Module &M,
- IntrinsicLowering *IL) {
- return new SparcV8TargetMachine(M, IL);
+ cl::opt<bool> DisableV8DAGDAG("disable-v8-dag-isel", cl::Hidden,
+ cl::desc("Disable DAG-to-DAG isel for V8"),
+ cl::init(1));
}
/// SparcV8TargetMachine ctor - Create an ILP32 architecture model
///
SparcV8TargetMachine::SparcV8TargetMachine(const Module &M,
- IntrinsicLowering *IL)
- : TargetMachine("SparcV8", IL, true, 4, 4, 4, 4, 4),
- FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0), JITInfo(*this) {
+ IntrinsicLowering *IL,
+ const std::string &FS)
+ : TargetMachine("SparcV8", IL, false, 4, 4),
+ FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) {
+}
+
+unsigned SparcV8TargetMachine::getModuleMatchQuality(const Module &M) {
+ std::string TT = M.getTargetTriple();
+ if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "sparc-")
+ return 20;
+
+ if (M.getEndianness() == Module::BigEndian &&
+ M.getPointerSize() == Module::Pointer32)
+#ifdef __sparc__
+ return 20; // BE/32 ==> Prefer sparcv8 on sparc
+#else
+ return 5; // BE/32 ==> Prefer ppc elsewhere
+#endif
+ else if (M.getEndianness() != Module::AnyEndianness ||
+ M.getPointerSize() != Module::AnyPointerSize)
+ return 0; // Match for some other target
+
+ return 0;
}
-/// addPassesToEmitAssembly - Add passes to the specified pass manager
+/// addPassesToEmitFile - Add passes to the specified pass manager
/// to implement a static compiler for this target.
///
-bool SparcV8TargetMachine::addPassesToEmitAssembly(PassManager &PM,
- std::ostream &Out) {
+bool SparcV8TargetMachine::addPassesToEmitFile(PassManager &PM,
+ std::ostream &Out,
+ CodeGenFileType FileType,
+ bool Fast) {
+ if (FileType != TargetMachine::AssemblyFile) return true;
+
// FIXME: Implement efficient support for garbage collection intrinsics.
PM.add(createLowerGCPass());
- // Replace malloc and free instructions with library calls.
- PM.add(createLowerAllocationsPass());
-
- // FIXME: implement the select instruction in the instruction selector.
- PM.add(createLowerSelectPass());
-
- // FIXME: implement the switch instruction in the instruction selector.
- PM.add(createLowerSwitchPass());
+ // Make sure that no unreachable blocks are instruction selected.
+ PM.add(createUnreachableBlockEliminationPass());
// FIXME: implement the invoke/unwind instructions!
PM.add(createLowerInvokePass());
- PM.add(createLowerConstantExpressionsPass());
+ // FIXME: implement the switch instruction in the instruction selector.
+ PM.add(createLowerSwitchPass());
- // Make sure that no unreachable blocks are instruction selected.
- PM.add(createUnreachableBlockEliminationPass());
+ // Print LLVM code input to instruction selector:
+ if (PrintMachineCode)
+ PM.add(new PrintFunctionPass());
- PM.add(createSparcV8SimpleInstructionSelector(*this));
+ if (DisableV8DAGDAG) {
+ // Replace malloc and free instructions with library calls.
+ PM.add(createLowerAllocationsPass());
+ PM.add(createLowerSelectPass());
+ PM.add(createSparcV8SimpleInstructionSelector(*this));
+ } else
+ PM.add(createSparcV8ISelDag(*this));
// Print machine instructions as they were initially generated.
if (PrintMachineCode)
if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(&std::cerr));
+ PM.add(createSparcV8FPMoverPass(*this));
+
PM.add(createSparcV8DelaySlotFillerPass(*this));
// Print machine instructions after filling delay slots.
return false;
}
-/// addPassesToJITCompile - Add passes to the specified pass manager to
-/// implement a fast dynamic compiler for this target.
-///
-void SparcV8JITInfo::addPassesToJITCompile(FunctionPassManager &PM) {
- // FIXME: Implement efficient support for garbage collection intrinsics.
- PM.add(createLowerGCPass());
-
- // Replace malloc and free instructions with library calls.
- PM.add(createLowerAllocationsPass());
-
- // FIXME: implement the select instruction in the instruction selector.
- PM.add(createLowerSelectPass());
-
- // FIXME: implement the switch instruction in the instruction selector.
- PM.add(createLowerSwitchPass());
-
- // FIXME: implement the invoke/unwind instructions!
- PM.add(createLowerInvokePass());
-
- PM.add(createLowerConstantExpressionsPass());
-
- // Make sure that no unreachable blocks are instruction selected.
- PM.add(createUnreachableBlockEliminationPass());
-
- PM.add(createSparcV8SimpleInstructionSelector(TM));
-
- // Print machine instructions as they were initially generated.
- if (PrintMachineCode)
- PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
- PM.add(createRegisterAllocator());
- PM.add(createPrologEpilogCodeInserter());
-
- // Print machine instructions after register allocation and prolog/epilog
- // insertion.
- if (PrintMachineCode)
- PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
- PM.add(createSparcV8DelaySlotFillerPass(TM));
-
- // Print machine instructions after filling delay slots.
- if (PrintMachineCode)
- PM.add(createMachineFunctionPrinterPass(&std::cerr));
-}
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